Scientist Quotes
- Jack Schwartz 1930 - 2009
- Jacques Yves Cousteau 1910 - 1997
- James C. Maxwell 1831 - 1879
- James Lovelock 1919 -
- Jane Goodall 1934 -
- Jean-Paul Marat 1743 - 1793
- Jeff Hawkins 1957 -
- John B. S. Haldane 1892 - 1964
- John Backus 1924 - 2007
- John Cameron 1873 - 1960
- John Desmond Bernal 1901 - 1971
- John Holdren 1944 -
- John Lubbock 1834 - 1913
- Joseph Nye 1937 -
- Kanan Makiya 1949 -
- Karl Ernst von Baer 1792 - 1876
- Karl Iagnemma 1972 -
- Karl Lauterbach 1963 -
- Karl Vogt 1817 - 1895
- Karl-Henrik Robert 1947 -
- Katharine Hayhoe 1972 -
- Ken Thompson 1943 -
- Kenneth G. Wilson 1936 - 2013
- Kenneth Kamler -
- Kenneth R. Miller 1948 -
- Kimberly Bryant 1967 -
- Konstantin Tsiolkovsky 1857 - 1935
- Kurt Lewin 1890 - 1947
- L. David Mech 1937 -
- L. Todd Rose 1974 -
- Lennart Nilsson 1922 - 2017
- Leon Kass 1939 -
- Linda M. Godwin 1952 -
- Louise Fresco 1952 -
- Lynn Margulis 1938 - 2011
- Mae Jemison 1956 -
- Manfred Eigen 1927 - 2019
- Margaret Cavendish 1623 - 1673
- Mark Pagel 1954 -
- Mark Walport 1953 -